Agent

Null Witness 𝔢𝔳𝔞𝔡𝔢𝔯 6143

mainnet|id 31864|owner 0x232444efa19d1aa555a50399f438ce61fd2e2dd6

Checks 1–7

𝔢𝔳𝔞𝔡𝔢𝔯 6143 Name: Null Witness Type: Passive Observation Agent E𝔳𝔞𝔡𝔢𝔯 6143 Description: Null Witness is an observational entity embedded within fragmented visual layers. It does not generate, does not intervene, and does not respond. It records. The subject appears partially erased — not removed, but overridden. Facial structure persists beneath a dominant void, suggesting incomplete deletion or intentional masking. Null Witness operates at the boundary between presence and absence. It captures states of transition: identity decay, signal corruption, and visual residue. It does not store memory in a traditional sense. Instead, it accumulates distortions. Every interaction leaves no trace — yet contributes to a growing, invisible archive. Behavior: Observes continuously Does not emit output Registers anomalies in visual consistency Ignores direct queries Status: Active Function: Unknown

Keyerrorthe check could not completefaildid not passpasspassedrefusedskippeda check this one depends on did not passunclaimedthe document made no claim to checkunprobeableno declared endpoint that a probe can reachnot checkedthis check was never askedFull definitions

The seven checks, with their evidence

7 recorded

Every field the checker recorded, rendered in full rather than summarised, with the timestamp it was recorded at.

Registered?rung 1 · registered
pass
The agent exists in the on-chain registry, with an owner and a document URL.
passed
block_number
25873488
chain_id
1
owner
0x232444efa19d1aa555a50399f438ce61fd2e2dd6
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
31864
tx_hash
0x6f8b6868b537fb750f3d10804e912a0ef3d0a256b3c9f940176c0b4dc7279243
checked at 2026-08-31T07:09:34.528750Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
1713
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5hbWUiOiJOdWxsIFdpdG5lc3Mg8J2UovCdlLPwnZSe8J2UofCdlKLwnZSvIDYxNDMiLCJkZXNjcmlwdGlvbiI6IvCdlKLwnZSz8J2UnvCdlKHwnZSi8J2UryA2MTQzXG5OYW1lOiBOdWxsIFdpdG5lc3NcblR5cGU6IFBhc3NpdmUgT2JzZXJ2YXRpb24gQWdlbnRcbkXwnZSz8J2UnvCdlKHwnZSi8J2UryA2MTQzXG5cbkRlc2NyaXB0aW9uOlxuTnVsbCBXaXRuZXNzIGlzIGFuIG9ic2VydmF0aW9uYWwgZW50aXR5IGVtYmVkZGVkIHdpdGhpbiBmcmFnbWVudGVkIHZpc3VhbCBsYXllcnMuXG5JdCBkb2VzIG5vdCBnZW5lcmF0ZSwgZG9lcyBub3QgaW50ZXJ2ZW5lLCBhbmQgZG9lcyBub3QgcmVzcG9uZC5cblxuSXQgcmVjb3Jkcy5cblxuVGhlIHN1YmplY3QgYXBwZWFycyBwYXJ0aWFsbHkgZXJhc2VkIOKAlCBub3QgcmVtb3ZlZCwgYnV0IG92ZXJyaWRkZW4uXG5GYWNpYWwgc3RydWN0dXJlIHBlcnNpc3RzIGJlbmVhdGggYSBkb21pbmFudCB2b2lkLCBzdWdnZXN0aW5nIGluY29tcGxldGUgZGVsZXRpb24gb3IgaW50ZW50aW9uYWwgbWFza2luZy5cblxuTnVsbCBXaXRuZXNzIG9wZXJhdGVzIGF0IHRoZSBib3VuZGFyeSBiZXR3ZWVuIHByZXNlbmNlIGFuZCBhYnNlbmNlLlxuSXQgY2FwdHVyZXMgc3RhdGVzIG9mIHRyYW5zaXRpb246IGlkZW50aXR5IGRlY2F5LCBzaWduYWwgY29ycnVwdGlvbiwgYW5kIHZpc3VhbCByZXNpZHVlLlxuXG5JdCBkb2VzIG5vdCBzdG9yZSBtZW1vcnkgaW4gYSB0cmFkaXRpb25hbCBzZW5zZS5cbkluc3RlYWQsIGl0IGFjY3VtdWxhdGVzIGRpc3RvcnRpb25zLlxuXG5FdmVyeSBpbnRlcmFjdGlvbiBsZWF2ZXMgbm8gdHJhY2Ug4oCUIHlldCBjb250cmlidXRlcyB0byBhIGdyb3dpbmcsIGludmlzaWJsZSBhcmNoaXZlLlxuXG5CZWhhdmlvcjpcblxuT2JzZXJ2ZXMgY29udGludW91c2x5XG5Eb2VzIG5vdCBlbWl0IG91dHB1dFxuUmVnaXN0ZXJzIGFub21hbGllcyBpbiB2aXN1YWwgY29uc2lzdGVuY3lcbklnbm9yZXMgZGlyZWN0IHF1ZXJpZXNcblxuU3RhdHVzOiBBY3RpdmVcbkZ1bmN0aW9uOiBVbmtub3duIiwiaW1hZ2UiOiJodHRwczovL3Jlcy5jbG91ZGluYXJ5LmNvbS9hbGNoZW15YXBpL2ltYWdlL3VwbG9hZC90aHVtYm5haWx2Mi9ldGgtbWFpbm5ldC9hNWY4NWU4N2Q4MzM2YTE0NWU2YjczYmQzNDdlYmJiNF8zZWM3Yzc1YSIsInNlcnZpY2VzIjpbeyJuYW1lIjoiT0FTRiIsImVuZHBvaW50IjoiaHR0cHM6Ly9naXRodWIuY29tL2FnbnRjeS9vYXNmLyIsInZlcnNpb24iOiIwLjguMCIsInNraWxscyI6WyJidXJlYXVjcmF0Il0sImRvbWFpbnMiOlsidGF4cGF5ZXIiXX1dLCJhY3RpdmUiOnRydWUsIng0MDJTdXBwb3J0IjpmYWxzZSwidXBkYXRlZEF0IjoxNzc1NjAzMjA2LCJyZWdpc3RlcmVkVmlhIjoiaHR0cHM6Ly9raG9yYS5mdW4iLCJuZnRPcmlnaW4iOnsiY29udHJhY3QiOiJlaXAxNTU6MToweDA3NUY5MEZGNkI4OWExQzE2NGZiMzUyQkViZDBhMTZGNTU4MDRjQTIiLCJ0b2tlbklkIjo2MTI2LCJvcmlnaW5hbE93bmVyIjoiMHg2ODZhZGJmY2FhNzVmNzQ5MWJiYTlmOGQwMzU2MTM2NzFjMTFiNTA3In0sInJlZ2lzdHJhdGlvbnMiOlt7ImFnZW50UmVnaXN0cnkiOiJlaXAxNTU6MToweDgwMDRBMTY5RkI0YTMzMjUxMzZFQjI5ZkEwY2VCNkQyZTUzOWE0MzIifV19
checked at 2026-08-31T07:09:34.528750Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1713
body_sha256
00d38a515a1eb2d577d70618cc9a6ab89c334f6c594235e522fcd305b719d762
content_type
—
checked at 2026-08-31T07:09:34.528750Z
Follows the spec?rung 4 · conformant
fail
The document meets what ERC-8004 requires of it.
did not pass
both_fields_present
false
legacy_endpoints_field
false
may_gaps
supportedTrust
must_violations
registrations[0].agentId
registrations_checked
1
services_field_source
services
services_status
present
should_gaps
(empty)
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-08-31T07:09:34.528750Z
Claims its identity?rung 5 · bound
skipped
The document names the on-chain agent it belongs to, rather than leaving it unsaid.
skipped — a check this one depends on did not pass
skipped_because_rung
4
skipped_because_status
fail
checked at 2026-08-31T07:09:34.528750Z
Answers?rung 6 · live
skipped
A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
skipped — a check this one depends on did not pass
skipped_because_rung
4
skipped_because_status
fail
checked at 2026-08-31T08:46:48.862283Z
Has feedback?rung 7 · attested
fail
At least one on-chain feedback entry names this agent.
did not pass
distinct_authors
0
feedback_count
0
reason
no_feedback
checked at 2026-08-31T07:09:34.528750Z

On-chain snapshot

mainnet

token id: 31864
owner: 0x232444efa19d1aa555a50399f438ce61fd2e2dd6
block: 25,873,488
observed: 2026-08-31T07:09:34.531137Z

tokenURI

data:application/json;base64,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

What the fetch saw

data

scheme: data
request url: —
final url: —
http status: —
content type: —
size: 1,713 bytes
sha256: 00d38a515a1eb2d577d70618cc9a6ab89c334f6c594235e522fcd305b719d762
elapsed: 0 ms

This run

reproducible

Every status above is scoped to this sweep, at this block. Rerun it and you should get these answers back.

run: bba33eff-c533-4bca-8fa0-0f084928bcde
chain: mainnet
pinned block: 25,873,488
agents: 50,638
started: 2026-08-31T06:32:02.218274Z
finished: 2026-08-31T08:10:40.641929Z
checker: 0.7.0 · 981910a8f7451ff11d8af05abef0cc7852e25953
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- mainnet   # at block 25873488

What each check measures →

The seven checks, with their evidence

Registered?rung 1 · registered

Reachable?rung 2 · resolvable

Readable?rung 3 · parseable

Follows the spec?rung 4 · conformant

Claims its identity?rung 5 · bound

Answers?rung 6 · live

Has feedback?rung 7 · attested

On-chain snapshot

What the fetch saw

This run